HT12E is a series encoder IC (Integrated Circuit) for remote control applications. It is commonly used for radio frequency (RF) applications. By using the. HT12E Encoder IC can be used only with its pair HT12D. These two ICs together form an Encoder and Decoder pair. The HT12E Encoder IC starts working by giving enable signal to the Transmission Enable pin. The 4-word data will be encoded until the TE pin.

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As soon as TE returns to high, the encoder output completes its final cycle and then stops. The Encoded 12 bit output data can be obtained from this pin. Pull the Transmission Enable pin pin 14 to ground to activate transmission. But pins AD8-AD11 are not address pins, so we have only 8 pins for address A0-A7, which can provide only different addresses, so this IC is not good for production?

HT12E Encoder IC

Thank you for the reply and clarification. The 4-bit data that has to be sent has to be given to the pins AD0 to AD1 and an address of 8-bit has to be set using the pins A0 to A7. Oc the output cycle will repeats based on the status of the TE pin in the IC. These four pins are used to send data, the data encoded here will be decoded on HT12D IC sharing the same address bits. Arduino based GPS receiver. Notify of all new follow-up comments Notify of new replies to all my comments.

They can also be connected to switches to manually send and receive data. Dear Frank Thank you for your reply.


HT12E Encoder IC Pin Diagram, Uses, Equivalents & Datasheet

SSS, As per the datasheet you need that resistor to kick start the internal oscillator in the chip which in turn feeds clock pulse to data transmission.

Choosing Motor For Robots. The encoder IC will be in standby mode if the TE pin is disabled and thus the status of this pin was necessary for encoding process. We should set the bits in same pattern on Encoder and Decoder IC to pair them. It encodes the 12 bit parallel data into serial for transmission through an RF transmitter. But if i want to transmit data in 5th encoder, in which pin of encoder sholud i provide data to encoder???

Virgin Galactic — Commercial Space Flight. Simply put, HT12E converts the parallel inputs into serial output. HT12E has a transmission enable pin which is active low. You can know to set up the HT12D after this from here. Connected to the Ground of circuit. The IC has a built in oscillator.

Gunasekaran, Am not sure about what you are asking. The encoder and decoder should use the same address and data format. These are the 8-bit address bits, which is used to protect your data. If you want security you can connect any of the 8 pins to 5V to make it high. Where are the input pins on the ic I would like to connect a potentiometer to the input on the ic for rc car.

There is no use of that IC here. Request you idea on this. SPI Module of Arduino.

Working of HT12E Encoder IC – Gadgetronicx

Interface SD Card with Arduino. So out of the htt12e 8-bits will be used to set address and the remaining 4-bit will be used to transmit data.

Regarding the addressing you can use a simple switch to feed your desired address. A basic connection diagram for the HT12E IC is shown below In the above circuit I have set the 8-bit address data as 0b, by connecting all address pins to ground.


ULN yt12e a transistor array IC used for driving high power devices.

I have a doubt. HT12E is capable of operating in a wide Voltage range from 2. This oscillator can be used by connecting these two pins through a 1M Resistor. I have 5v 12d cut and 12v 12e ckt. Transmission enable; active low. In this image I have made all four data bits as zero lowwhen this is decoded we will get the same kind of bits on the output side of Ht1e2, similarly we can make any changes on these 4-bits and they will be reflected on the output side of the HT12D decoder IC.

HT12E is an encoder integrated circuit of 2 12 series of encoders.

It is very important that your Decoder should also have this same address for them to talk to each other. Using the address pins we can provide 8 bit security code for secured data transmission between the encoder and the decoder. Frank Donald is an Electronics and Communication Engineer who loves building stuff in his free time.

Submitted by admin on 30 October There are address combinations which I feel will do a good job in securing the communication and keep away interference. Interface GPS with Arduino.

Kindly repost your question. Supply voltage; 5V 2. After receiving a low signal the HT12E starts the transmission of 4 data bits as id in the timing diagram above.